Window seat assembly



FIG. 1 is a front perspective view of a window seat showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a central vertical sectional view thereof;

FIG. 4 is a front perspective view of a modified form thereof;

FIG. 5 is a rear perspective view thereof; and

FIG. 6 is a central vertical sectional view thereof. 

The ornamental design for window seat assembly, as shown. 